Horowitz, Joseph, 1948-. Understanding Toscanini : how he became an American culture-god and helped create a new audience for old music / Joseph Horowitz. [0394529189] New York : A.A. Knopf, 1987.
Call#: Van Pelt Library ML422.T67 H65 1987
Cited in Daniel Goldmark's Tunes for Toons (128) for observing that "suave or tempestuous embodiments of charismatic longhairs" were common in early to mid-20th century American and English cinema (215).